Karim's Wow

IMDb TVDB Trailer
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  • Documentary

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1x1
Why do we laugh?
Episode overview
Get a bellyache with Karim's explanation of why we laugh.
1x2
Why do we blink?
Episode overview
Karim explains why we blink.
1x3
Why does our tummy growl?
Episode overview
Karim explains why our tummy growls sometimes.
1x4
Why do we sing?
Episode overview
Karim explains why we sing.
1x5
Why do we have different skin colours?
Episode overview
Karim reveals the amazing science behind our different skin colours.